6 layers338.8 × 107.2 mm

Inboard386
ronnyroy111/inboard386
Reverse engineered schematics, PCB and logic equations for the Intel 386/PC accelerator
199 parts16MIT
Boards in 1 GitHub repository, designed in KiCad, that use the 74F153PC by onsemi (0℃~+70℃ 1mA 20mA 4.5V~5.5V 74F 8.1ns@5V,50pF Single Supply PDIP-16 Signal Switches, Multiplexers, Decoders ROHS). See how each wires it, with its parts, size, README and files; the 74F153PC’s symbol, footprint and pinout are on its own page.

ronnyroy111/inboard386
Reverse engineered schematics, PCB and logic equations for the Intel 386/PC accelerator